Home / 1,230,291.54-1,697,933.61-686,616.30

Finding the Fourth Proportional to 1,230,291.54, 1,697,933.61 and 686,616.30

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Solution

The fourth proportional to 1,230,291.54, 1,697,933.61 and 686,616.30 is: 947,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,291.54 : 1,697,933.61 = 686,616.30 : x
  2. Step 2: Convert to fraction form
    1,230,291.54/1,697,933.61 = 686,616.30/x
  3. Step 3: Cross multiply
    1,230,291.54x = 1,697,933.61 × 686,616.30
  4. Step 4: Simplify right side
    1,230,291.54x = 1,165,828,892,943.84
  5. Step 5: Solve for x
    x = 1,165,828,892,943.84/1,230,291.54
  6. Step 6: Final answer
    x = 947,603.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.